Feature: 1. Over Under Voltage Protection: The protector can effectively prevent electrical appliances from being damaged due to too high or too low voltage, provide reassurance. 2. Self Resetting: The over and under voltage protector can be reset automatically without manual operation, saving time and effort. 3. Delay Reset: The protector supports automatic delay reset, the fault recovery delay time and startup delay time are adjustable, very convenient. 4. Multi Function: This voltage protector has the functions of reset mode selection, fault query, factory reset, etc., very practical and functional. 5. Easy to Install: The protector is light weight and small in size, adopts DIN rail installation, very easy to install, you can complete in a few minutes. Specification: Item Type: Over Under Voltage Protector Material: PC Rated Voltage: AC 230V Rated Current: 100A Overvoltage Action: 275V ±5V Voltage Reset: 250V Undervoltage Action: 160V ±5V Voltage Reset: 185V Reset Time: 25S ±5S Pole Number: 1P+N Rated Limited Current Short Circuit Capacity: 6KA Wiring Mode: Upper outgoing line, lower incoming line Applicable Temperature: -5℃ to 40℃. Package List: 1 x Over Under Voltage Protector